Thermostats

The most innovative thermostat not on the USS Enterprise is now 20% thinner and encased by a premium solid stainless steel ring — designed to reflect the wall colors around it. The Nest 2.0’s ($249) display also ditches the old sensor grill for a smooth lens. Those obvious cosmetic changes are nothing compared to the...

We’ve shown you high-tech thermostats before, but while others may have more aesthetic appeal based on their creator’s Cupertino-backed resumes, the Ecobee Smart Si ($211) offers more all-around convenient customization for saving energy and money. The Wi-Fi enabled Smart Si offers owners full online support through its proprietary web portal and downloadable iOS and Android...